Chair



FIG. 1 is a center, front perspective view of a design for a chair;

FIG. 2 is a top, left, front perspective view of said design;

FIG. 3 is a top, left, side perspective view of said design;

FIG. 4 is a top, left, rear perspective view of said design;

FIG. 5 is a top, right, rear perspective view of said design;

FIG. 6 is a top, right, side perspective view of said design; and,

FIG. 7 is a top, right, front perspective view of said design. 

The ornamental design for a chair, as shown and described. 